400510144243342 has 16 divisors (see below), whose sum is σ = 687746641345632. Its totient is φ = 171357749015040.

The previous prime is 400510144243333. The next prime is 400510144243351. The reversal of 400510144243342 is 243342441015004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (400510144243333) and next prime (400510144243351).

It is a super-2 number, since 2×400510144243342² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24121296459 + ... + 24121313062.

It is an arithmetic number, because the mean of its divisors is an integer number (42984165084102).

Almost surely, 2^{400510144243342} is an apocalyptic number.

400510144243342 is a deficient number, since it is larger than the sum of its proper divisors (287236497102290).

400510144243342 is a wasteful number, since it uses less digits than its factorization.

400510144243342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48242610123.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 400510144243342 its reverse (243342441015004), we get a palindrome (643852585258346).

The spelling of 400510144243342 in words is "four hundred trillion, five hundred ten billion, one hundred forty-four million, two hundred forty-three thousand, three hundred forty-two".